Acoustic building element



FIG. 1 is a perspective view of a first embodiment of an acousticbuilding element showing my new design;

FIG. 2 is a front view of the acoustic building element of FIG. 1, therear view, right side view and left side view being identical thereto;

FIG. 3 is a perspective view of a second embodiment of an acousticbuilding element showing my new design;

FIG. 4 is a front view of the acoustic building element of FIG. 4, therear view, right side view and left side view being identical thereto;

FIG. 5 is a perspective view of a third embodiment of an acousticbuilding element showing my new design;

FIG. 6 is a front view of the acoustic building element of FIG. 5, therear view, right side view and left side view being identical thereto;and,

FIG. 7 is a top view of the first embodiment of an acoustic buildingelement shown in FIG. 1, the top views of the second embodiment shown inFIG. 3 and the third embodiment shown in FIG. 5 being identical thereto.

No drawing figures showing a bottom view are provided, as the bottoms ofthe acoustic building element are flat and include no surfaceornamentation.

CLAIM The ornamental design for an acoustic building element, as shownand described.